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路径参数和查询参数</a></li></ul></li><li class="sidebar-sub-header level2"><a href="/pages/9792ca/#_2-路由导航" class="sidebar-link">2. 路由导航</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header level3"><a href="/pages/9792ca/#_2-2-vue-router提供的导航api" class="sidebar-link">2.2 vue-router提供的导航api</a></li><li class="sidebar-sub-header level4"><a href="/pages/9792ca/#实例" class="sidebar-link">实例</a></li><li class="sidebar-sub-header level3"><a href="/pages/9792ca/#_2-3-导航守卫" class="sidebar-link">2.3 导航守卫</a></li><li class="sidebar-sub-header level3"><a href="/pages/9792ca/#_2-4-全局前置守卫" class="sidebar-link">2.4 全局前置守卫</a></li><li class="sidebar-sub-header level3"><a href="/pages/9792ca/#_2-5-根据情况控制权限" class="sidebar-link">2.5 根据情况控制权限</a></li><li class="sidebar-sub-header level3"><a href="/pages/9792ca/#_2-6-控制后台主页的访问权限" class="sidebar-link">2.6 控制后台主页的访问权限</a></li></ul></li></ul></li><li><a href="/pages/3b755c/" class="sidebar-link">vue（八）头条项目-cnblog</a></li><li><a href="/pages/dc16ba/" 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<!----></section></li></ul> </aside> <div><main class="page"><div class="theme-vdoing-wrapper "><div class="articleInfo-wrap" data-v-06225672><div class="articleInfo" data-v-06225672><ul class="breadcrumbs" data-v-06225672><li data-v-06225672><a href="/" title="首页" class="iconfont icon-home router-link-active" data-v-06225672></a></li> <li data-v-06225672><a href="/web/#前端" data-v-06225672>前端</a></li><li data-v-06225672><a href="/web/#Vue笔记" data-v-06225672>Vue笔记</a></li></ul> <div class="info" data-v-06225672><div title="作者" class="author iconfont icon-touxiang" data-v-06225672><a href="https://github.com/linxin1123" target="_blank" title="作者" class="beLink" data-v-06225672>lingxin</a></div> <div title="创建时间" class="date iconfont icon-riqi" data-v-06225672><a href="javascript:;" data-v-06225672>2023-02-17</a></div> <!----></div></div></div> <!----> <div class="content-wrapper"><div class="right-menu-wrapper"><div class="right-menu-margin"><div class="right-menu-title">目录</div> <div class="right-menu-content"></div></div></div> <h1><img src="">Vue（六）-cnblog<!----></h1>  <div class="theme-vdoing-content content__default"><h1 id="vue-六"><a href="#vue-六" class="header-anchor">#</a> Vue（六）</h1> <h2 id="_1-前端路由"><a href="#_1-前端路由" class="header-anchor">#</a> 1. 前端路由</h2> <ul><li>hash值与组件之间的对应关系</li></ul> <blockquote><p>hash值代表url地址中#号后面的内容，</p> <p>不同的hash地址对应不同的组件</p></blockquote> <ul><li>图解</li></ul> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110653679-2133019237.png" alt=""></p> <h3 id="_1-2-简易路由"><a href="#_1-2-简易路由" class="header-anchor">#</a> 1.2 简易路由</h3> <div class="language-vue line-numbers-mode"><pre class="language-vue"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>template</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>app-container<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h1</span><span class="token punctuation">&gt;</span></span>App 根组件<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h1</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- 定义hash值 #号后面的内容 --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>#/home<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>首页<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>#/movie<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>电影<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>a</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>#/about<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>关于<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>a</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>hr</span> <span class="token punctuation">/&gt;</span></span>

    <span class="token comment">&lt;!-- 根据hash值与组件的关系，按需展示组件 --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>component</span> <span class="token attr-name">:is</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>comName<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>component</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>template</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
<span class="token comment">// 导入组件</span>
<span class="token keyword">import</span> Home <span class="token keyword">from</span> <span class="token string">'@/components/Home.vue'</span>
<span class="token keyword">import</span> Movie <span class="token keyword">from</span> <span class="token string">'@/components/Movie.vue'</span>
<span class="token keyword">import</span> About <span class="token keyword">from</span> <span class="token string">'@/components/About.vue'</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'App'</span><span class="token punctuation">,</span>

  <span class="token function">data</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token punctuation">{</span>
      <span class="token literal-property property">comName</span><span class="token operator">:</span><span class="token string">'Home'</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  <span class="token comment">// 注册组件</span>
  <span class="token literal-property property">components</span><span class="token operator">:</span> <span class="token punctuation">{</span>
    Home<span class="token punctuation">,</span>
    Movie<span class="token punctuation">,</span>
    About
  <span class="token punctuation">}</span><span class="token punctuation">,</span>

  <span class="token comment">// 在组件被创建的时候，绑定hash值是否变化</span>

  <span class="token function">created</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    window<span class="token punctuation">.</span><span class="token function-variable function">onhashchange</span><span class="token operator">=</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>

      <span class="token comment">// 根据hash值的不同按需展示组件</span>
      <span class="token keyword">if</span><span class="token punctuation">(</span>location<span class="token punctuation">.</span>hash<span class="token operator">===</span><span class="token string">'#/home'</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
        <span class="token keyword">this</span><span class="token punctuation">.</span>comName<span class="token operator">=</span><span class="token string">'Home'</span>
      <span class="token punctuation">}</span><span class="token keyword">else</span> <span class="token keyword">if</span><span class="token punctuation">(</span>location<span class="token punctuation">.</span>hash<span class="token operator">===</span><span class="token string">'#/movie'</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
        <span class="token keyword">this</span><span class="token punctuation">.</span>comName<span class="token operator">=</span><span class="token string">'Movie'</span>
      <span class="token punctuation">}</span><span class="token keyword">else</span> <span class="token keyword">if</span><span class="token punctuation">(</span>location<span class="token punctuation">.</span>hash<span class="token operator">===</span><span class="token string">'#/about'</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
        <span class="token keyword">this</span><span class="token punctuation">.</span>comName<span class="token operator">=</span><span class="token string">'About'</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>less<span class="token punctuation">&quot;</span></span> <span class="token attr-name">scoped</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
<span class="token selector">.app-container</span> <span class="token punctuation">{</span>
  <span class="token property">background-color</span><span class="token punctuation">:</span> #efefef<span class="token punctuation">;</span>
  <span class="token property">overflow</span><span class="token punctuation">:</span> hidden<span class="token punctuation">;</span>
  <span class="token property">margin</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span>
  <span class="token property">padding</span><span class="token punctuation">:</span> 15px<span class="token punctuation">;</span>
  <span class="token selector">&gt; a</span> <span class="token punctuation">{</span>
    <span class="token property">margin-right</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span class="line-number">50</span><br><span class="line-number">51</span><br><span class="line-number">52</span><br><span class="line-number">53</span><br><span class="line-number">54</span><br><span class="line-number">55</span><br><span class="line-number">56</span><br><span class="line-number">57</span><br><span class="line-number">58</span><br><span class="line-number">59</span><br><span class="line-number">60</span><br><span class="line-number">61</span><br><span class="line-number">62</span><br><span class="line-number">63</span><br><span class="line-number">64</span><br><span class="line-number">65</span><br><span class="line-number">66</span><br></div></div><ul><li>效果图</li></ul> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110652817-1770619786.gif" alt=""></p> <h3 id="_1-3-使用vue的官方路由"><a href="#_1-3-使用vue的官方路由" class="header-anchor">#</a> 1.3 使用vue的官方路由</h3> <ol><li>安装vue-router包</li></ol> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token function">npm</span> i vue-router@3.5.2 <span class="token parameter variable">-S</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ol><li>创建路由模块(src/router/index.js)</li></ol> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">// 这个文件就是路由的模块文件</span>
<span class="token comment">// 导入Vue和Vue-router</span>
<span class="token keyword">import</span> Vue <span class="token keyword">from</span> <span class="token string">'vue'</span>
<span class="token keyword">import</span> VueRouter <span class="token keyword">from</span> <span class="token string">'vue-router'</span>

<span class="token comment">// 给Vue装上路由插件</span>

Vue<span class="token punctuation">.</span><span class="token function">use</span><span class="token punctuation">(</span>VueRouter<span class="token punctuation">)</span>

<span class="token comment">// 插件路由的示例对象</span>

<span class="token keyword">const</span> router <span class="token operator">=</span><span class="token keyword">new</span> <span class="token class-name">VueRouter</span><span class="token punctuation">(</span><span class="token punctuation">)</span>

<span class="token comment">// 向外共享路由对象实例</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> router
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br></div></div><ul><li>在main.js中使用router</li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">import</span> Vue <span class="token keyword">from</span> <span class="token string">'vue'</span>
<span class="token keyword">import</span> App <span class="token keyword">from</span> <span class="token string">'./App2.vue'</span>

<span class="token comment">// 导入 bootstrap 样式</span>
<span class="token keyword">import</span> <span class="token string">'bootstrap/dist/css/bootstrap.min.css'</span>
<span class="token comment">// 全局样式</span>
<span class="token keyword">import</span> <span class="token string">'@/assets/global.css'</span>
<span class="token comment">// 导入路由模块</span>

<span class="token comment">// 可以简写，如果给定路径为文件夹，则会默认去寻找下面的index.js</span>
<span class="token keyword">import</span> router <span class="token keyword">from</span> <span class="token string">&quot;@/router&quot;</span>

Vue<span class="token punctuation">.</span>config<span class="token punctuation">.</span>productionTip <span class="token operator">=</span> <span class="token boolean">false</span>

<span class="token keyword">new</span> <span class="token class-name">Vue</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token function-variable function">render</span><span class="token operator">:</span> <span class="token parameter">h</span> <span class="token operator">=&gt;</span> <span class="token function">h</span><span class="token punctuation">(</span>App<span class="token punctuation">)</span><span class="token punctuation">,</span>
  <span class="token comment">// 设置一个路由属性</span>
  <span class="token comment">// router:router 简写</span>
  router
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">$mount</span><span class="token punctuation">(</span><span class="token string">'#app'</span><span class="token punctuation">)</span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br></div></div><h3 id="_1-4-一个路由案例"><a href="#_1-4-一个路由案例" class="header-anchor">#</a> 1.4 一个路由案例</h3> <ul><li>app2.vue</li></ul> <div class="language-vue line-numbers-mode"><pre class="language-vue"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>template</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>app-container<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h1</span><span class="token punctuation">&gt;</span></span>App2 组件<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h1</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- 定义链接，hash值 --&gt;</span>

    <span class="token comment">&lt;!-- 使用router-link代替a链接 --&gt;</span>

    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/home<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>首页<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/movie<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>电影<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/about<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>关于<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- &lt;a href=&quot;#/home&quot;&gt;首页&lt;/a&gt;
    &lt;a href=&quot;#/movie&quot;&gt;电影&lt;/a&gt;
    &lt;a href=&quot;#/about&quot;&gt;关于&lt;/a&gt; --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>hr</span> <span class="token punctuation">/&gt;</span></span>

    <span class="token comment">&lt;!-- 定义路由占位符，代表将要被渲染的组件 --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-view</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-view</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- 在router/index.js文件中配置路由对应关系 --&gt;</span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>template</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'App'</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>less<span class="token punctuation">&quot;</span></span> <span class="token attr-name">scoped</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
<span class="token selector">.app-container</span> <span class="token punctuation">{</span>
  <span class="token property">background-color</span><span class="token punctuation">:</span> #efefef<span class="token punctuation">;</span>
  <span class="token property">overflow</span><span class="token punctuation">:</span> hidden<span class="token punctuation">;</span>
  <span class="token property">margin</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span>
  <span class="token property">padding</span><span class="token punctuation">:</span> 15px<span class="token punctuation">;</span>
  <span class="token selector">&gt; a</span> <span class="token punctuation">{</span>
    <span class="token property">margin-right</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br></div></div><ul><li>index.js（router定义路由关系）</li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">// 这个文件就是路由的模块文件</span>
<span class="token comment">// 导入Vue和Vue-router</span>
<span class="token keyword">import</span> Vue <span class="token keyword">from</span> <span class="token string">&quot;vue&quot;</span>
<span class="token keyword">import</span> VueRouter <span class="token keyword">from</span> <span class="token string">&quot;vue-router&quot;</span>

<span class="token comment">// 导入home，movie，about组件</span>

<span class="token keyword">import</span> Home <span class="token keyword">from</span> <span class="token string">&quot;@/components/Home.vue&quot;</span>
<span class="token keyword">import</span> Movie <span class="token keyword">from</span> <span class="token string">&quot;@/components/Movie.vue&quot;</span>
<span class="token keyword">import</span> About <span class="token keyword">from</span> <span class="token string">&quot;@/components/About.vue&quot;</span>

<span class="token comment">// 给Vue装上路由插件</span>

Vue<span class="token punctuation">.</span><span class="token function">use</span><span class="token punctuation">(</span>VueRouter<span class="token punctuation">)</span>

<span class="token comment">// 插件路由的示例对象</span>

<span class="token keyword">const</span> router <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">VueRouter</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token comment">// 配置路由的对应关系</span>
  <span class="token literal-property property">routes</span><span class="token operator">:</span> <span class="token punctuation">[</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/home&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Home <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/about&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> About <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/movie&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Movie <span class="token punctuation">}</span>
  <span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>

<span class="token comment">// 向外共享路由对象实例</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> router

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br></div></div><h3 id="_1-5-路由重定向"><a href="#_1-5-路由重定向" class="header-anchor">#</a> 1.5 路由重定向</h3> <ul><li><p>访问的地址a不存在，强制跳转到地址c，从而展示特定的组件</p></li> <li><p>设置路由重定向（ /时跳转到/home）</p></li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">const</span> router <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">VueRouter</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token comment">// 配置路由的对应关系</span>
  <span class="token literal-property property">routes</span><span class="token operator">:</span> <span class="token punctuation">[</span>
    <span class="token comment">// 配置路由重定向</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">redirect</span><span class="token operator">:</span> <span class="token string">&quot;/home&quot;</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/home&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Home <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/about&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> About <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/movie&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Movie <span class="token punctuation">}</span>
  <span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><h3 id="_1-6-子路由嵌套"><a href="#_1-6-子路由嵌套" class="header-anchor">#</a> 1.6 子路由嵌套</h3> <ul><li>about路由嵌套tab1，tab2路由</li></ul> <div class="language-vue line-numbers-mode"><pre class="language-vue"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>template</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>about-container<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h3</span><span class="token punctuation">&gt;</span></span>About 组件<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h3</span><span class="token punctuation">&gt;</span></span>
    <span class="token comment">&lt;!-- 嵌套子路由 --&gt;</span>

    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/about/tab1<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>tab1<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/about/tab2<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>tab2<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- 路由占位符 --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-view</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-view</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>template</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">


<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'About'</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>less<span class="token punctuation">&quot;</span></span> <span class="token attr-name">scoped</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
<span class="token selector">.about-container</span> <span class="token punctuation">{</span>
  <span class="token property">min-height</span><span class="token punctuation">:</span> 200px<span class="token punctuation">;</span>
  <span class="token property">background-color</span><span class="token punctuation">:</span> skyblue<span class="token punctuation">;</span>
  <span class="token property">padding</span><span class="token punctuation">:</span> 15px<span class="token punctuation">;</span>
  <span class="token selector">&gt; a</span> <span class="token punctuation">{</span>
    <span class="token property">margin-right</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br></div></div><ul><li>index.js确定路由的关系</li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">// 这个文件就是路由的模块文件</span>
<span class="token comment">// 导入Vue和Vue-router</span>
<span class="token keyword">import</span> Vue <span class="token keyword">from</span> <span class="token string">&quot;vue&quot;</span>
<span class="token keyword">import</span> VueRouter <span class="token keyword">from</span> <span class="token string">&quot;vue-router&quot;</span>

<span class="token comment">// 导入home，movie，about组件</span>

<span class="token keyword">import</span> Home <span class="token keyword">from</span> <span class="token string">&quot;@/components/Home.vue&quot;</span>
<span class="token keyword">import</span> Movie <span class="token keyword">from</span> <span class="token string">&quot;@/components/Movie.vue&quot;</span>
<span class="token keyword">import</span> About <span class="token keyword">from</span> <span class="token string">&quot;@/components/About.vue&quot;</span>
<span class="token keyword">import</span> Tab1 <span class="token keyword">from</span> <span class="token string">'@/components/tabs/Tab1.vue'</span>
<span class="token keyword">import</span> Tab2 <span class="token keyword">from</span> <span class="token string">'@/components/tabs/Tab2.vue'</span>

<span class="token comment">// 给Vue装上路由插件</span>

Vue<span class="token punctuation">.</span><span class="token function">use</span><span class="token punctuation">(</span>VueRouter<span class="token punctuation">)</span>

<span class="token comment">// 插件路由的示例对象</span>

<span class="token keyword">const</span> router <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">VueRouter</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token comment">// 配置路由的对应关系</span>
  <span class="token literal-property property">routes</span><span class="token operator">:</span> <span class="token punctuation">[</span>
    <span class="token comment">// 配置路由重定向</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">redirect</span><span class="token operator">:</span> <span class="token string">&quot;/home&quot;</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/home&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Home <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token comment">// 嵌套子路由的关系</span>
    <span class="token punctuation">{</span>
      <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/about&quot;</span><span class="token punctuation">,</span>
      <span class="token literal-property property">component</span><span class="token operator">:</span> About<span class="token punctuation">,</span>
      <span class="token literal-property property">redirect</span><span class="token operator">:</span> <span class="token string">&quot;/about/tab1&quot;</span><span class="token punctuation">,</span>
      <span class="token literal-property property">children</span><span class="token operator">:</span> <span class="token punctuation">[</span>
        <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;tab1&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Tab1 <span class="token punctuation">}</span><span class="token punctuation">,</span>
        <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;tab2&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Tab2 <span class="token punctuation">}</span>
      <span class="token punctuation">]</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/movie&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Movie <span class="token punctuation">}</span>
  <span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>

<span class="token comment">// 向外共享路由对象实例</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> router

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br></div></div><ul><li>注意点</li></ul> <blockquote><p>路由的children属性（一个数组）来定义子路由，子路由的path不用添加&quot;/&quot;，子路由可以是在父路由的基础上写路径</p></blockquote> <ul><li>效果图</li></ul> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110652032-1773172746.gif" alt=""></p> <h3 id="_1-7-默认子路由"><a href="#_1-7-默认子路由" class="header-anchor">#</a> 1.7 默认子路由</h3> <ul><li>进入父路由时，直接进入默认子路由，而不需要使用重定向</li> <li>path的路径为空</li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">// 这个文件就是路由的模块文件</span>
<span class="token comment">// 导入Vue和Vue-router</span>
<span class="token keyword">import</span> Vue <span class="token keyword">from</span> <span class="token string">&quot;vue&quot;</span>
<span class="token keyword">import</span> VueRouter <span class="token keyword">from</span> <span class="token string">&quot;vue-router&quot;</span>

<span class="token comment">// 导入home，movie，about组件</span>

<span class="token keyword">import</span> Home <span class="token keyword">from</span> <span class="token string">&quot;@/components/Home.vue&quot;</span>
<span class="token keyword">import</span> Movie <span class="token keyword">from</span> <span class="token string">&quot;@/components/Movie.vue&quot;</span>
<span class="token keyword">import</span> About <span class="token keyword">from</span> <span class="token string">&quot;@/components/About.vue&quot;</span>
<span class="token keyword">import</span> Tab1 <span class="token keyword">from</span> <span class="token string">'@/components/tabs/Tab1.vue'</span>
<span class="token keyword">import</span> Tab2 <span class="token keyword">from</span> <span class="token string">'@/components/tabs/Tab2.vue'</span>

<span class="token comment">// 给Vue装上路由插件</span>

Vue<span class="token punctuation">.</span><span class="token function">use</span><span class="token punctuation">(</span>VueRouter<span class="token punctuation">)</span>

<span class="token comment">// 插件路由的示例对象</span>

<span class="token keyword">const</span> router <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">VueRouter</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token comment">// 配置路由的对应关系</span>
  <span class="token literal-property property">routes</span><span class="token operator">:</span> <span class="token punctuation">[</span>
    <span class="token comment">// 配置路由重定向</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">redirect</span><span class="token operator">:</span> <span class="token string">&quot;/home&quot;</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/home&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Home <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token comment">// 嵌套子路由的关系</span>
    <span class="token punctuation">{</span>
      <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/about&quot;</span><span class="token punctuation">,</span>
      <span class="token literal-property property">component</span><span class="token operator">:</span> About<span class="token punctuation">,</span>
      <span class="token comment">// redirect: &quot;/about/tab1&quot;,</span>
      <span class="token literal-property property">children</span><span class="token operator">:</span> <span class="token punctuation">[</span>
        <span class="token comment">// 默认子路由</span>
        <span class="token punctuation">{</span><span class="token literal-property property">path</span><span class="token operator">:</span><span class="token string">&quot;&quot;</span><span class="token punctuation">,</span><span class="token literal-property property">component</span><span class="token operator">:</span>Tab1<span class="token punctuation">}</span><span class="token punctuation">,</span>
        <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;tab1&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Tab1 <span class="token punctuation">}</span><span class="token punctuation">,</span>
        <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;tab2&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Tab2 <span class="token punctuation">}</span>
      <span class="token punctuation">]</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/movie&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Movie <span class="token punctuation">}</span>
  <span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>

<span class="token comment">// 向外共享路由对象实例</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> router

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br></div></div><h3 id="_1-8-动态路由"><a href="#_1-8-动态路由" class="header-anchor">#</a> 1.8 动态路由</h3> <ul><li><p>提高路由的复用性</p></li> <li><p>路由地址不同，但使用的是同一个组件</p></li> <li><p>app2</p></li></ul> <div class="language-vue line-numbers-mode"><pre class="language-vue"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>template</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>app-container<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h1</span><span class="token punctuation">&gt;</span></span>App2 组件<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h1</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- 定义链接，hash值 --&gt;</span>

    <span class="token comment">&lt;!-- 使用router-link代替a链接 --&gt;</span>

    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/home<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>首页<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token comment">&lt;!-- &lt;router-link to=&quot;/movie&quot;&gt;电影&lt;/router-link&gt; --&gt;</span>
    <span class="token comment">&lt;!-- 根据不同的id，获取不同的电影详情页 --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/movie/1<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>电影1<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/movie/2<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>电影2<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/movie/3<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>电影3<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/about<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>关于<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- &lt;a href=&quot;#/home&quot;&gt;首页&lt;/a&gt;
    &lt;a href=&quot;#/movie&quot;&gt;电影&lt;/a&gt;
    &lt;a href=&quot;#/about&quot;&gt;关于&lt;/a&gt; --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>hr</span> <span class="token punctuation">/&gt;</span></span>

    <span class="token comment">&lt;!-- 定义路由占位符，代表将要被渲染的组件 --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-view</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-view</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- 在router/index.js文件中配置路由对应关系 --&gt;</span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>template</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'App'</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>less<span class="token punctuation">&quot;</span></span> <span class="token attr-name">scoped</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
<span class="token selector">.app-container</span> <span class="token punctuation">{</span>
  <span class="token property">background-color</span><span class="token punctuation">:</span> #efefef<span class="token punctuation">;</span>
  <span class="token property">overflow</span><span class="token punctuation">:</span> hidden<span class="token punctuation">;</span>
  <span class="token property">margin</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span>
  <span class="token property">padding</span><span class="token punctuation">:</span> 15px<span class="token punctuation">;</span>
  <span class="token selector">&gt; a</span> <span class="token punctuation">{</span>
    <span class="token property">margin-right</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br></div></div><ul><li>movie.vue</li></ul> <div class="language-vue line-numbers-mode"><pre class="language-vue"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>template</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>movie-container<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
  <span class="token comment">&lt;!-- 路由对象 this.$route --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h3</span><span class="token punctuation">&gt;</span></span>Movie 组件-----电影{{this.$route.params.mid}}<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h3</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>button</span> <span class="token attr-name">@click</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>getmovie<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>获取电影信息<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>button</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>template</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'Movie'</span><span class="token punctuation">,</span>

  <span class="token literal-property property">methods</span><span class="token operator">:</span> <span class="token punctuation">{</span>
    <span class="token function">getmovie</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
      console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>less<span class="token punctuation">&quot;</span></span> <span class="token attr-name">scoped</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
<span class="token selector">.movie-container</span> <span class="token punctuation">{</span>
  <span class="token property">min-height</span><span class="token punctuation">:</span> 200px<span class="token punctuation">;</span>
  <span class="token property">background-color</span><span class="token punctuation">:</span> lightsalmon<span class="token punctuation">;</span>
  <span class="token property">padding</span><span class="token punctuation">:</span> 15px<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br></div></div><ul><li>路由配置index.js</li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">// 修改路由规则，接收可变的参数</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/movie/:mid&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Movie <span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>效果图</li></ul> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110651361-821005484.gif" alt=""></p> <h3 id="_1-9-动态路由接收参数的第二种方式"><a href="#_1-9-动态路由接收参数的第二种方式" class="header-anchor">#</a> 1.9 动态路由接收参数的第二种方式</h3> <ul><li>路由配置开启props传参</li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code> <span class="token comment">// 修改路由规则，接收可变的参数</span>
    <span class="token comment">// 开启props传参</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/movie/:mid&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Movie <span class="token punctuation">,</span><span class="token literal-property property">props</span><span class="token operator">:</span><span class="token boolean">true</span><span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Movie组件提高自定义属性来接收参数</li></ul> <div class="language-vue line-numbers-mode"><pre class="language-vue"><code>props:{
    mid:{
      type:String
    }
  },
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="_1-10-路径参数和查询参数"><a href="#_1-10-路径参数和查询参数" class="header-anchor">#</a> 1.10 路径参数和查询参数</h3> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110650278-1766311936.png" alt=""></p> <ul><li>app2.vue</li></ul> <div class="language-vue line-numbers-mode"><pre class="language-vue"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>template</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>app-container<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h1</span><span class="token punctuation">&gt;</span></span>App2 组件<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h1</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- 定义链接，hash值 --&gt;</span>

    <span class="token comment">&lt;!-- 使用router-link代替a链接 --&gt;</span>

    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/home<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>首页<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token comment">&lt;!-- &lt;router-link to=&quot;/movie&quot;&gt;电影&lt;/router-link&gt; --&gt;</span>
    <span class="token comment">&lt;!-- 根据不同的id，获取不同的电影详情页 --&gt;</span>

    <span class="token comment">&lt;!-- 路径参数：hash后面/后面的内容 --&gt;</span>
    <span class="token comment">&lt;!-- 查询参数：hash后面？后面的内容 --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/movie/1<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>电影1<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/movie/2?name=zs&amp;age=18<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>电影2<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/movie/3<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>电影3<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-link</span> <span class="token attr-name">to</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>/about<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>关于<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-link</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- &lt;a href=&quot;#/home&quot;&gt;首页&lt;/a&gt;
    &lt;a href=&quot;#/movie&quot;&gt;电影&lt;/a&gt;
    &lt;a href=&quot;#/about&quot;&gt;关于&lt;/a&gt; --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>hr</span> <span class="token punctuation">/&gt;</span></span>

    <span class="token comment">&lt;!-- 定义路由占位符，代表将要被渲染的组件 --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>router-view</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>router-view</span><span class="token punctuation">&gt;</span></span>

    <span class="token comment">&lt;!-- 在router/index.js文件中配置路由对应关系 --&gt;</span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>template</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">&quot;App&quot;</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>less<span class="token punctuation">&quot;</span></span> <span class="token attr-name">scoped</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
<span class="token selector">.app-container</span> <span class="token punctuation">{</span>
  <span class="token property">background-color</span><span class="token punctuation">:</span> #efefef<span class="token punctuation">;</span>
  <span class="token property">overflow</span><span class="token punctuation">:</span> hidden<span class="token punctuation">;</span>
  <span class="token property">margin</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span>
  <span class="token property">padding</span><span class="token punctuation">:</span> 15px<span class="token punctuation">;</span>
  <span class="token selector">&gt; a</span> <span class="token punctuation">{</span>
    <span class="token property">margin-right</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br></div></div><ul><li>效果图</li></ul> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110649518-1512165062.png" alt=""></p> <h2 id="_2-路由导航"><a href="#_2-路由导航" class="header-anchor">#</a> 2. 路由导航</h2> <ul><li>声明式导航</li></ul> <blockquote><p>点击链接进行跳转，a链接，router-link链接</p></blockquote> <ul><li>编程式导航</li></ul> <blockquote><p>调用api方法实现跳转，如location.href属性的修改</p></blockquote> <h3 id="_2-2-vue-router提供的导航api"><a href="#_2-2-vue-router提供的导航api" class="header-anchor">#</a> 2.2 vue-router提供的导航api</h3> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110649166-617756530.png" alt=""></p> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110648056-2042198089.png" alt=""></p> <h4 id="实例"><a href="#实例" class="header-anchor">#</a> 实例</h4> <div class="language-vue line-numbers-mode"><pre class="language-vue"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>template</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>home-container<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>h3</span><span class="token punctuation">&gt;</span></span>Home 组件<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>h3</span><span class="token punctuation">&gt;</span></span>
    <span class="token comment">&lt;!-- 定义button按钮，实现跳转到电影1 --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>button</span> <span class="token attr-name">@click</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>gotoMovie1<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>跳转到电影1<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>button</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>template</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'Home'</span><span class="token punctuation">,</span>
  <span class="token literal-property property">methods</span><span class="token operator">:</span> <span class="token punctuation">{</span>
    <span class="token function">gotoMovie1</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
      <span class="token comment">// 通过push方法跳转页面，存在历史记录</span>
      <span class="token comment">// this.$router.push('/movie/1');</span>
      <span class="token comment">// 通过replace方法跳转页面，无历史记录</span>
      <span class="token keyword">this</span><span class="token punctuation">.</span>$router<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token string">'movie/1'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>less<span class="token punctuation">&quot;</span></span> <span class="token attr-name">scoped</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
<span class="token selector">.home-container</span> <span class="token punctuation">{</span>
  <span class="token property">min-height</span><span class="token punctuation">:</span> 200px<span class="token punctuation">;</span>
  <span class="token property">background-color</span><span class="token punctuation">:</span> pink<span class="token punctuation">;</span>
  <span class="token property">padding</span><span class="token punctuation">:</span> 15px<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br></div></div><h3 id="_2-3-导航守卫"><a href="#_2-3-导航守卫" class="header-anchor">#</a> 2.3 导航守卫</h3> <ul><li>图解</li></ul> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110647664-1426519109.png" alt=""></p> <h3 id="_2-4-全局前置守卫"><a href="#_2-4-全局前置守卫" class="header-anchor">#</a> 2.4 全局前置守卫</h3> <ul><li><p>每次发生导航跳转时，都会触发全局前置守卫，通过守卫函数来进行权限控制</p></li> <li><p>配置：在路由index.js种配置</p></li></ul> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">// 这个文件就是路由的模块文件</span>
<span class="token comment">// 导入Vue和Vue-router</span>
<span class="token keyword">import</span> Vue <span class="token keyword">from</span> <span class="token string">&quot;vue&quot;</span>
<span class="token keyword">import</span> VueRouter <span class="token keyword">from</span> <span class="token string">&quot;vue-router&quot;</span>

<span class="token comment">// 导入home，movie，about组件</span>

<span class="token keyword">import</span> Home <span class="token keyword">from</span> <span class="token string">&quot;@/components/Home.vue&quot;</span>
<span class="token keyword">import</span> Movie <span class="token keyword">from</span> <span class="token string">&quot;@/components/Movie.vue&quot;</span>
<span class="token keyword">import</span> About <span class="token keyword">from</span> <span class="token string">&quot;@/components/About.vue&quot;</span>
<span class="token keyword">import</span> Tab1 <span class="token keyword">from</span> <span class="token string">'@/components/tabs/Tab1.vue'</span>
<span class="token keyword">import</span> Tab2 <span class="token keyword">from</span> <span class="token string">'@/components/tabs/Tab2.vue'</span>

<span class="token comment">// 给Vue装上路由插件</span>

Vue<span class="token punctuation">.</span><span class="token function">use</span><span class="token punctuation">(</span>VueRouter<span class="token punctuation">)</span>

<span class="token comment">// 插件路由的示例对象</span>

<span class="token keyword">const</span> router <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">VueRouter</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token comment">// 配置路由的对应关系</span>
  <span class="token literal-property property">routes</span><span class="token operator">:</span> <span class="token punctuation">[</span>
    <span class="token comment">// 配置路由重定向</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">redirect</span><span class="token operator">:</span> <span class="token string">&quot;/home&quot;</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/home&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Home <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token comment">// 嵌套子路由的关系</span>
    <span class="token punctuation">{</span>
      <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/about&quot;</span><span class="token punctuation">,</span>
      <span class="token literal-property property">component</span><span class="token operator">:</span> About<span class="token punctuation">,</span>
      <span class="token comment">// redirect: &quot;/about/tab1&quot;,</span>
      <span class="token literal-property property">children</span><span class="token operator">:</span> <span class="token punctuation">[</span>
        <span class="token comment">// 默认子路由</span>
        <span class="token punctuation">{</span><span class="token literal-property property">path</span><span class="token operator">:</span><span class="token string">&quot;&quot;</span><span class="token punctuation">,</span><span class="token literal-property property">component</span><span class="token operator">:</span>Tab1<span class="token punctuation">}</span><span class="token punctuation">,</span>
        <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;tab1&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Tab1 <span class="token punctuation">}</span><span class="token punctuation">,</span>
        <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;tab2&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Tab2 <span class="token punctuation">}</span>
      <span class="token punctuation">]</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>

    <span class="token comment">// 修改路由规则，接收可变的参数</span>
    <span class="token comment">// 开启props传参</span>
    <span class="token punctuation">{</span> <span class="token literal-property property">path</span><span class="token operator">:</span> <span class="token string">&quot;/movie/:mid&quot;</span><span class="token punctuation">,</span> <span class="token literal-property property">component</span><span class="token operator">:</span> Movie <span class="token punctuation">,</span><span class="token literal-property property">props</span><span class="token operator">:</span><span class="token boolean">true</span><span class="token punctuation">}</span>
  <span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>

<span class="token comment">// 全局前置守卫</span>

<span class="token comment">// to 跳转到哪里（要访问的路由信息）</span>
<span class="token comment">// from （从哪里来的路由信息）</span>
<span class="token comment">// function:回调函数</span>
router<span class="token punctuation">.</span><span class="token function">beforeEach</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token parameter">to<span class="token punctuation">,</span>from<span class="token punctuation">,</span>next</span><span class="token punctuation">)</span><span class="token operator">=&gt;</span><span class="token punctuation">{</span>
  <span class="token comment">// next方法确定 是否允许跳转</span>
  <span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>from<span class="token punctuation">)</span><span class="token punctuation">;</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">'---------------------'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>to<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>

<span class="token comment">// 向外共享路由对象实例</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> router

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span class="line-number">50</span><br><span class="line-number">51</span><br><span class="line-number">52</span><br><span class="line-number">53</span><br><span class="line-number">54</span><br><span class="line-number">55</span><br><span class="line-number">56</span><br><span class="line-number">57</span><br><span class="line-number">58</span><br><span class="line-number">59</span><br><span class="line-number">60</span><br><span class="line-number">61</span><br></div></div><ul><li>效果图</li></ul> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110647189-922948332.png" alt=""></p> <h3 id="_2-5-根据情况控制权限"><a href="#_2-5-根据情况控制权限" class="header-anchor">#</a> 2.5 根据情况控制权限</h3> <p><img src="https://img2023.cnblogs.com/blog/3089561/202302/3089561-20230204110646670-234615538.png" alt=""></p> <h3 id="_2-6-控制后台主页的访问权限"><a href="#_2-6-控制后台主页的访问权限" class="header-anchor">#</a> 2.6 控制后台主页的访问权限</h3> <div class="language-js line-numbers-mode"><pre class="language-js"><code>router<span class="token punctuation">.</span><span class="token function">beforeEach</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token parameter">to<span class="token punctuation">,</span>from<span class="token punctuation">,</span>next</span><span class="token punctuation">)</span><span class="token operator">=&gt;</span><span class="token punctuation">{</span>
  <span class="token comment">// next方法确定 是否允许跳转</span>
  <span class="token comment">// next()</span>
  <span class="token comment">// console.log(from);</span>
  <span class="token comment">// console.log('---------------------');</span>
  <span class="token comment">// console.log(to);</span>

  <span class="token comment">// 判读是否有token权限</span>
  <span class="token keyword">if</span><span class="token punctuation">(</span>to<span class="token punctuation">.</span>path<span class="token operator">===</span><span class="token string">'/main'</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token keyword">const</span> token<span class="token operator">=</span>localStorage<span class="token punctuation">.</span><span class="token function">getItem</span><span class="token punctuation">(</span><span class="token string">'token'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token keyword">if</span><span class="token punctuation">(</span>token<span class="token punctuation">)</span><span class="token punctuation">{</span>
      <span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span><span class="token keyword">else</span><span class="token punctuation">{</span>
      <span class="token function">next</span><span class="token punctuation">(</span><span class="token string">'/login'</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span><span class="token keyword">else</span><span class="token punctuation">{</span>
    <span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>

</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br></div></div></div></div>  <div class="page-edit"><div class="edit-link"><a href="https://github.com/linxin1123/vuepress-blog/edit/master/docs/01.前端/49.Vue笔记/07.Vue（六）-cnblog.md" target="_blank" rel="noopener noreferrer">编辑</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div> <!----> <div class="last-updated"><span class="prefix">上次更新:</span> <span class="time">2023/02/17, 11:29:32</span></div></div> <div class="page-nav-wapper"><div class="page-nav-centre-wrap"><a href="/pages/f821e1/" class="page-nav-centre page-nav-centre-prev"><div class="tooltip">vue(五)-cnblog</div></a> <a href="/pages/3b755c/" class="page-nav-centre page-nav-centre-next"><div class="tooltip">vue（八）头条项目-cnblog</div></a></div> <div class="page-nav"><p class="inner"><span class="prev">
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